Head mount for dry shaver



March 19, 1963 P. J. J. VAES 3,081,541

HEAD MOUNT FOR DRY SHAVER Filed y 17. 1960 INVENTO PETRUS J. J. VAESgala/KM United States Patent Gfifice 3,081,541 Patented Mar. 19, 1963HEAD MOUNT FOR DRY SHAVER Petrus Jozephus Johannes Vaes, Drachten,Netherlands, assignor to North American Philips Company, Inc.,

New York, N.Y., a corporation of Delaware Filed May 17, 1960, Ser. No.29,658 Claims priority, application Netherlands May 26, 1959 Claims.(Cl. 30-43) The invention relates to a shaving head for use in a dryshaving apparatus comprising a mounting member in which the shearp1ate(s) is(are) held. In accordance with the type of apparatus a shearplate may be rigidly secured to the mounting member of the shaving heador be movable to a certain extent in the mounting member.

It is often required to shape the mounting member in a complicated formin order to have the possibility of holding the shear plate(s) in thedesired manner in the mounting member and, as the case may be, ofattaching the shaving head to the dry shaving apparatus. With a knownshaving head the mounting member consists of only one piece of metal.The complicated form involves a costly and ditficult manufacturingprocess.

In accordance with the invention the mounting member consists of amounting plate which is provided on the inner side with a body ofsprayable or mouldable material, the shape of which is adapted to thefunction of holding the shear plate and serves, as the case may be, atthe same time to fix the head to an apparatus.

The body of sprayed or moulded material according to the invention maybe applied to the mounting plate in a very simple manner by spraying orpressing, the required complicated form being at the same time obtained.The material may be metal or synthetic substance, for example, nylon.The sole condition to be fulfilled by the material of the body is thatthis material should permit of being sprayed or pressed.

According to a further aspect of the invention pins for fixing the headto an apparatus are embedded in body of sprayed or pressed material.During the spraying or pressing process these pins may already be takenthrough the material of the body; as an alternative, however, the pinsmay be provided afterwards in apertures left in the body to this end.

The invention will be described more fully with reference to oneembodiment which relates to a shaving head comprising two circular shearplates, which are arranged so as to permit a depression.

FIG. 1 is an elevation of the bottom side of a mounting member accordingto the invention.

FIG. 2 is a sectional view taken on the line II--II of FIG. 1.

FIG. 3 is a sectional view taken on the line IIIIII of FIG. 1, and

FIG. 4 is sectional view taken on the line IVIV of 'FIG. 1, wherein thelid for holding the shear plates and cutting members is arranged on themounting member, and

FIG. 5 shows this lid separately in an elevation.

A mounting plate 1 is provided with two apertures 2, which correspond tothe shape of the shear plates 3. On the inner side the mounting plate 1is a body portion 4 of nylon, which also has apertures 5, through whichthe edges 6 of the shear plates 3 are taken. These edges 6 have recesses18 corresponding to lugs 7 of the nylon body. The shear plates 3 arethus prevented from turning. In the body 4 pins 8 are secured inapertures 9. The pins 8 are intended to secure the head to a dry shavingapparatus. In FIG. 4 the shaving head is shown provided with shearplates 3 and the associated cutting members 10. On the nylon body 4 isarranged a lid in a clamping position, so that the shear plates 3 andthe cutting members 10 cannot fall out of the mounting member, in spiteof the fact that the shear plates 3 with their cutting members 10 arearranged so as to be removable from the mounting plate 1 when lid 15 isunclamped from the nylon body 4. The lid 15 has apertures 16, whichpermit a coupling of the cutting members 10 with a driving shaft.Through apertures 17 extend the pins 8 which firmly engages a part ofthe periphery of the apertures 17 thereby frictionally holding the lid15 on the mounting plate 1.

What is claimed is:

A shaving head for use in a dry shaver comprising a mounting memberincluding a mounting plate having at least one aperture therein, a bodyportion secured to the inner side of said mounting plate and providedwith an aperture corresponding to and aligned with the aperture of saidmounting plate, a cutter and shear plate assembly removably mounted insaid apertures, means on said body portion for preventing rotationalmovement of said shear plate relative to said cutter but permittingmovement of said shear plate along its longitudinal axis, and means onsaid mounting member for securing said shaving head to said dry shaver.

2. A shaving head for use in a dry shaver comprising a mounting memberincluding a mounting plate having at least one aperture therein, a bodyportion secured to the inner side of said mounting plate and providedwith an aperture corresponding to and aligned with the aperture of saidmounting plate, a shear plate assembly removably mounted in saidapertures, means on said body portion for preventing rotational movementof said shear plate relative to said cutter but permitting movement ofsaid shear plate along its longitudinal axis, and pins projecting fromsaid body portion and embedded therein for securing said shaving head tosaid dry shaver.

3. A shaving head for use in a dry shaver comprising a mounting memberincluding a mounting plate having at least one aperture therein, a bodyportion secured to the inner side of said mounting plate and providedwith an aperture corresponding to and aligned with the aperture of saidmounting plate, a cutter and shear plate assembly removably mounted onsaid apertures, a pair of lugs on said body portion projecting into theaperture thereof, said shear plate having recesses in the edge thereofcorresponding in shape to said lugs, said recesses when fitted in saidlugs preventing rotational movement of the shear plate, and meansprojecting from said body portion for securing said shaving head to saiddry shaver.

4. A shaving head for use in a dry shaver comprising a mounting memberincluding a mounting plate having at least one aperture therein, a bodyportion secured to the inner side of said mounting plate and providedwith an aperture corresponding to and aligned with the aperture of saidmounting plate, a cutter and shear plate assembly removably mounted insaid apertures, means on said body portion for preventing rotationalmovement of said shear plate relative to said cutter but permittingmovement of said shear plate along its longitudinal axis, means on saidmounting member for securing said shaving head to said dry shaver, and alid for holding said cutter and shear plate assembly in said mountingmember, said lid having an opening therein permitting the cutting memberto be connected to a driving shaft of the dry shaver.

5. A shaving head for use in a dry shaver comprising a mounting memberincluding a mounting plate having at least one aperture therein, a bodyportion secured to the inner side of said mounting plate and providedwith an aperture corresponding to and aligned with the aperture of saidmounting plate, a cutter and shear plate assembly removably mounted insaid apertures, means on said body portion for preventing rotationalmovement of said shear plate relative to said cutter but permittingmovement of 5 References Cited in the file of this patent said shearplate along its longitudinal axis, pins projecting UNITED STATES PATENTSfrom said body portion for securing said shaving head to Said dryshaver, and a lid for holding said cutter and f i '"ff' 2 shear plateassenibly in said mounting member, said lid 5 2315274 1943 having anopening thereinpermitting the cutting member 2379969 g 194's to beconnected toa driving shaft of the dry shaver, said 2518181 e a y 8 1 90lid also being provided with holes therein for the frictional 3 1 Z 951insertion therethrough of the pins on said body portion, 2611175 ggf ;g-g *i l 251952 said frictional insertion of the pins in said holesremovably 10 vBrentani 4" Dec. 1957 I attaching said lid to said body.portion.

1. A SHAVING HEAD FOR USE IN A DRY SHAVER COMPRISING A MOUNTING MEMBERINCLUDING A MOUNTING PLATE HAVING AT LEAST ONE APERTURE THEREIN, A BODYPORTION SECURED TO THE INNER SIDE OF SAID MOUNTING PLATE AND PROVIDEDWITH AN APERTURE CORRESPONDING TO AND ALIGNED WITH THE APERTURE OF SAIDMOUNTING PLATE, A CUTTER AND SHEAR PLATE ASSEMBLY REMOVABLY MOUNTED INSAID APERTURES, MEANS ON SAID BODY PORTION FOR PREVENTING ROTATIONALMOVEMENT OF SAID SHEAR PLATE RELATIVE TO SAID CUTTER BUT PERMITTINGMOVEMENT OF SAID SHEAR PLATE ALONG ITS LONGITUDINAL AXIS, AND MEANS ONSAID MOUNTING MEMBER FOR SECURING SAID SHAVING HEAD TO SAID DRY SHAVER.